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Communications
When the electric field is perpendicular in the surface of the earth, what is the polarization of the TEM wave?
Communications
What is the effective radiated power of a repeater with 200W transmitter power output, 4dB feed line loss, 4dB duplexer and circulator loss, and 10dB feed line antenna gain?
Communications
The layer that reflects very low frequency waves and absorbs medium frequency waves.
Communications
Refers to the direction of the electric field vector in space
Communications
What is the highest layer of the atmosphere?
Communications
What is the lowest layer of the ionosphere?
Communications
What is the highest frequency that can be sent straight upward and be returned to earth?
Communications
An electromagnetic wave consists of ___________.
Communications
________ is the amount of voltage induced in wave by an electromagnetic wave.
Communications
A TEM wave whose polarization rotates.
Communications
In tropospheric scatter propagation, the attenuation is dependent on
Communications
If a wave has a velocity of 4800 feet per second, and wavelength of 5 feet, what is the wavelength?
Communications
What is the unit of electric field strength?
Communications
A mobile receiver experiences “dead” areas of reception as a result of
Communications
When the magnetic field is perpendicular to the surface of the earth, what is the polarization of the TEM wave?
Communications
Frequencies in the UHF range propagate by means of
Communications
The D, E and F layers of the ionosphere are known as ____________.
Communications
At what speed does radio wave travel?
Communications
What is the separation in degrees of the electric and magnetic fields in an electromagnetic wave?
Communications
What layer of the atmosphere is used for high-frequency day time propagation?
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